package com.yangwudi;

import jakarta.servlet.http.HttpServletResponse;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;

@RestController
public class ResponseController {
    /**
     *
     * 方式一 ： HttpServletResponse 设置响应数据
     */
    @RequestMapping("/response")
    public void response(HttpServletResponse response) throws IOException {
        //1. 设置状态码
        response.setStatus(401);

        //2. 设置响应头
        response.setHeader("name", "yangwudi");

        //3. 设置响应体
//        response.getWriter().write("hello world");
        response.getWriter().write("<h1>hello response</h1>");
    }

    /**
     * 方式二 ： ResponseEntity - Spring中提供的方式
     */
    @RequestMapping("/response2")
    public ResponseEntity<String> response2(){
        return ResponseEntity.status(401)   //响应状态码
                .header("name", "javaweb-ai")   //响应头
                .body("<h1>hello response ~ </h1>");    //响应体
    }
}
